Patents by Inventor Thomas Schregardus

Thomas Schregardus has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9282867
    Abstract: A mobile surface cleaning robot including a robot body having a forward drive direction, a drive system supporting the robot body above a floor surface for maneuvering the robot across the floor surface, and a robot controller in communication with the drive system. The robot also includes a collection volume supported by the robot body and a cleaning module releasably supported by the robot body and arranged to clean the floor surface. The cleaning module includes a first vacuum squeegee having a first duct, a driven roller brush rotatably supported rearward of the first vacuum squeegee, a second vacuum squeegee disposed rearward of the roller brush and having a second duct, and a third duct in fluid communication with the first and second ducts. The third duct is connectable to the collection volume at a fluid-tight interface formed by selectively engaging the cartridge with the robot body.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: March 15, 2016
    Assignee: iRobot Corporation
    Inventors: Marcus R. Williams, Joseph M. Johnson, Andrew Stephen Sweezey, Thomas Schregardus, John Reimels, Russell Walter Morin, Christopher J. Fischella, Erik Amaral
  • Publication number: 20070152455
    Abstract: An actuator and door latch system incorporating the same. The actuator moves a door latch between locked and unlocked positions with rapidity using a gear train directly coupled to an actuator motor or energy stored in an energy storage element such as a spring.
    Type: Application
    Filed: October 27, 2006
    Publication date: July 5, 2007
    Applicant: STONERIDGE CONTROL DEVICES, INC.
    Inventors: Knight Ko, Brian Ganter, Thomas Schregardus, Eric Beishline, William Fort
  • Publication number: 20060169084
    Abstract: A vehicle gear box shift actuator and apparatus including the same. The actuator includes a lead screw; a drive nut threaded on the lead screw; a plunger; a first spring disposed between the drive nut and a first end of the plunger; a second spring disposed between the drive nut and a second end of the plunger opposite from the first end. Non-contact position sensing of the actuator output is also provided.
    Type: Application
    Filed: October 26, 2005
    Publication date: August 3, 2006
    Inventors: Todd Meaney, Thomas Schregardus, Robert Cicerchia, David Medina
  • Publication number: 20050082378
    Abstract: An thermostat actuator is provided for controlling a flow rate of coolant through a cooling system. The actuator includes a motor and a drive train including an anti-back-drive mechanism. The actuator further includes an integral position feedback system that for indicating a position of an element of the actuator to ensure that the actuator has moved to a commanded position. The actuator is configured to be readily adaptable to different position feedback systems providing varying degrees of position feedback resolution.
    Type: Application
    Filed: August 23, 2004
    Publication date: April 21, 2005
    Inventors: Eric Beishline, Thomas Schregardus, Mark Oakes